Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.3 A 0.2 A None of these 0.6 A 0.4 A 0.3 A 0.2 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 kV is: 1000 V 1.00 V 1000 mV 100 mV None of these 1000 V 1.00 V 1000 mV 100 mV None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a dielectric two coils separated by a conductor None of these two dielectrics separated by a conductor two conductors separated by a dielectric two coils separated by a dielectric two coils separated by a conductor None of these two dielectrics separated by a conductor two conductors separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.041666666666667 0.93 W None of these 9.3 W 0.93 V 0.041666666666667 0.93 W None of these 9.3 W 0.93 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor None of these Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor None of these Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 ANSWER DOWNLOAD EXAMIANS APP
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